Why Claude Code Needs Explicit Oracle Schema Context
Claude Code is Anthropic's agentic AI coding CLI. Like all LLM-powered coding tools, it has no native awareness of your database. Without explicit schema context, it will hallucinate JOIN paths, reference non-existent columns, query sensitive fields, and waste thousands of tokens per prompt.
Schemap solves this by extracting your live Oracle schema and compiling it into CLAUDE.md — a file Claude Code reads automatically from your project root.
Quickstart: Oracle + Claude Code in 3 Steps
Step 1 — Install Schemap
pipx install schemap-tool
# or: uv tool install schemap-toolStep 2 — Connect to Oracle
schemap quickstart
# Enter: oracle+cx_oracle://user:pass@host/serviceStep 3 — Generate CLAUDE.md database context
schemap agents --targets claude
# Wrote CLAUDE.md with safety guardrails in 2msWhat Schemap Injects into CLAUDE.md
- Table Map — every Oracle table with column types
- Foreign Key Graph — explicit JOIN relationships, no guessing
- Centrality Scores — most-connected tables highlighted
- [SAFETY] Guardrails — blocks sensitive column access and audit table mutation
- Candidate FK Detection — inferred missing relationships from naming patterns
Token Cost Savings on Oracle Schemas
Raw Oracle DDL dumps run 15,000–80,000 tokens. Schemap reduces that by 89%%. Run schemap benchmark --cost to calculate your exact monthly savings.
Keep Context in Sync Automatically
schemap hook install
# Auto-regenerates CLAUDE.md on every migration commitFrequently Asked Questions
How do I give Claude Code Oracle database context?
Install Schemap with pipx install schemap-tool, connect to your Oracle database (oracle+cx_oracle://user:pass@host/service), then run schemap agents --targets claude to auto-generate CLAUDE.md with full schema context, foreign key maps, and anti-hallucination safety rules.
Does Schemap support Oracle with Claude Code?
Yes. Schemap fully supports Oracle (Oracle Database, the enterprise-grade relational database) and generates native CLAUDE.md database context that Claude Code reads automatically from your project directory.
What makes Schemap better than manually writing CLAUDE.md for Oracle?
Manual schema files go stale instantly. Schemap runs in sub-3ms, auto-infers foreign keys, injects SAFETY guardrails, and compresses your Oracle schema by up to 89%% so Claude Code always has accurate context.
Ready to give Claude Code accurate Oracle context?
Free for up to 100 tables. No cloud sync. Schema stays local.
Install Schemap Free